Improvement in bugles, horns, cornets



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HENRY G. LEHNERT, OF BOSTON, MASSACHUSETTS.

IMPROVEMENT IN BUGLES, HORNS, CORNETS, 84C.

Speciijcation forming part of Letters Patent No. 52,580, dated February 13, 1866.

To all whom it may concern:

Be it known that I, HENRY G. LEHNERT, of Boston, in the county of Suffolk and State of Massachusetts, have invented a new and useful Improvement in Bugles, Oornets, 0r other Musical Instruments of like character; and l do hereby declare the same to be fully described in the following specification and represented in the accompanying drawings, ot' which- Figure l denotes an elevation, and Fig. 2 a section, of a bugle as provided with my invention.

In the construction of bugles and cornets provided with sliding tuning-pipes it has heretofore been the custom to make the slide or slides of such a pipe cylindrical both externally and internally. In other words. the bore of the pipe has been formed cylindrical, thus interrupting,` by a cylinder the proper taper of the said passage ofthe instrument7 and thereby more or less injuring its tone.

My improvement consists in making` the tuningpipe with a tapering bore, which shall be a prolongation of the taper of the said passage adjacent to either ot' its extremities. In this way I maintain the true taper of the said passage from end to end of it when the tunl ing-pipe is closed, the variation being' ot" little or no account when the tuningpipe is drawn out sufficiently for tuning the instrument.

In the drawings, A denotes the bugle, provided with two tuning-pipes, B O, the first of which has two slides, a b, while the other has but one, and is to hold the mouth-piece. The socket tube or tubes c', for reception of the slide or slides of the tuning pipe or pipes, I make with a cylii'idrical bore to tit to the eX- ternal surface ot` the slide, which is cylindrical; but the bore of the slide I make tapering in prolongation ot' the true regular taper ot the instrument from end to end.

That I claim as my invention or improvement in bugles, cornets, or such like instruments is- The construction ot1 any slide otl their tuning-pipes with a tapering' here, which, when in place in the instrument, becomes a prolongation ot' the taper of the said passage, as described.

H ENRY G. LE HNE RT.

Witnesses:

R. H. EDDY, F. I. HALE, Jr. 

